- A8
- B6.5
- C6
- D7
Step-by-Step Solution
Downstream = 24/3 = 8 km/h, upstream = 24/4 = 6 km/h; boat speed = (8 + 6) ÷ 2 = 7 km/h.
Answer: D) 7
A boat covers 24 km downstream in 3 hours and returns the same 24 km upstream in 4 hours. Find the speed of the boat in still water. (answer in km/h)
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